Struct SpecialEq

pub struct SpecialEq<T>(/* private fields */);

Wrapper type that has special equality properties depending on the inner type specialization

Implementations

impl<T> SpecialEq<T>

pub fn new(val: T) -> Self

impl SpecialEq<Arc<dyn FunctionOutputField>>

pub fn same_type() -> Self

pub fn from_type(dt: DataType) -> Self

pub fn map_field<F: 'static + Fn(&Field) -> PolarsResult<Field> + Send + Sync>( f: F, ) -> Self

pub fn map_fields<F: 'static + Fn(&[Field]) -> PolarsResult<Field> + Send + Sync>( f: F, ) -> Self

pub fn map_dtype<F: 'static + Fn(&DataType) -> PolarsResult<DataType> + Send + Sync>( f: F, ) -> Self

pub fn float_type() -> Self

pub fn super_type() -> Self

pub fn map_dtypes<F>(f: F) -> Self

where F: 'static + Fn(&[&DataType]) -> PolarsResult<DataType> + Send + Sync,

Trait Implementations

impl<T: Clone> Clone for SpecialEq<T>

fn clone(&self) -> SpecialEq<T>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T> Debug for SpecialEq<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SpecialEq<Arc<dyn BinaryUdfOutputField>>

fn default() -> Self

Returns the “default value” for a type.

impl Default for SpecialEq<Arc<dyn ColumnBinaryUdf>>

fn default() -> Self

Returns the “default value” for a type.

impl<T> Deref for SpecialEq<T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<'a> Deserialize<'a> for SpecialEq<Arc<DslPlan>>

Available on crate feature serde only.

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl<'a> Deserialize<'a> for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature serde only.

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl<'a> Deserialize<'a> for SpecialEq<Arc<dyn RenameAliasFn>>

Available on crate feature serde only.

fn deserialize<D>(_deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl<'a> Deserialize<'a> for SpecialEq<Series>

Available on crate feature serde only.

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl From<BitwiseFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature bitwise only.

fn from(func: BitwiseFunction) -> Self

Converts to this type from the input type.

impl From<BooleanFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: BooleanFunction) -> Self

Converts to this type from the input type.

impl From<CategoricalFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature dtype-categorical only.

fn from(func: CategoricalFunction) -> Self

Converts to this type from the input type.

impl From<FunctionExpr> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: FunctionExpr) -> Self

Converts to this type from the input type.

impl From<StringFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature strings only.

fn from(func: StringFunction) -> Self

Converts to this type from the input type.

impl From<StructFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature dtype-struct only.

fn from(func: StructFunction) -> Self

Converts to this type from the input type.

impl From<TemporalFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature temporal only.

fn from(func: TemporalFunction) -> Self

Converts to this type from the input type.

impl<T: ?Sized> PartialEq for SpecialEq<Arc<T>>

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for SpecialEq<Series>

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for SpecialEq<Arc<DslPlan>>

Available on crate feature serde only.

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Serialize for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature serde only.

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Serialize for SpecialEq<Arc<dyn RenameAliasFn>>

Available on crate feature serde only.

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Serialize for SpecialEq<Series>

Available on crate feature serde only.

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.